Where do I get the detailed procedure to find GCD of 689, 669, 621?

You can find a detailed procedure to find GCD of 689, 669, 621 on our page.

How to find GCD of 689, 669, 621 on a calculator?

You can find the GCD of 689, 669, 621 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.

GCD of 689, 669, 621 Calculator

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023

Online GCD Calculator is useful to find the GCD of 689, 669, 621 quickly. Get the easiest ways to solve the greatest common divisor of 689, 669, 621 i.e 1 in different methods as follows.

How to Find GCD of Numbers 689, 669, 621 with Factoring?

Given Input numbers are 689, 669, 621

In the factoring method, we have to find the divisors of all numbers

Divisors of 689 :

The positive integer divisors of 689 that completely divides 689 are.

1, 13, 53, 689

Divisors of 669 :

The positive integer divisors of 669 that completely divides 669 are.

1, 3, 223, 669

Divisors of 621 :

The positive integer divisors of 621 that completely divides 621 are.

1, 3, 9, 23, 27, 69, 207, 621

GCD of numbers is the greatest common divisor

So, the GCD (689, 669, 621) = 1.

Find GCD of 689, 669, 621 using Prime Factorization

Given numbers are 689, 669, 621

The list of prime factors of all numbers are

Prime factors of 689 are 13 x 53

Prime factors of 669 are 3 x 223

Prime factors of 621 are 3 x 3 x 3 x 23

The above numbers do not have any common prime factor. So GCD is 1

Steps to Calculate GCD of 689, 669, 621 using LCM Formula

Given numbers are 689, 669, 621

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(689, 669) = 460941

GCD(689, 669) = ( 689 x 669 ) / 460941

= 689 / 669

= 689

Step2:

LCM(1, 621) = 621

GCD(1, 621) = ( 1 x 621 ) / 621

= 1 / 621

= 1

So, Greatest Common Divisor of 689, 669, 621 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 689, 669, 621

Given numbers are 689, 669, 621
The greatest common divisor of numbers 689, 669, 621 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 689, 669, 621 is 1.

FAQs on GCD of 689, 669, 621 Calculator

1. What is the GCD of 689, 669, 621?

GCD of given numbers 689, 669, 621 is 1

2. How to calculate the greatest common divisor of 689, 669, 621?

We can find the highest common divisor of 689, 669, 621 easily using the prime factorization method. Just list the prime factors of all numbers and pick the highest common factor which is the GCD of 689, 669, 621 i.e 1.

3. How can I use the GCD of 689, 669, 621Calculator?

Out the numbers 689, 669, 621 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.